also: あー
interjection
Expresses strong emotion: surprise, realization, admiration, or lament. The literary kanji forms 嗚呼, 噫, 嗟 are occasionally used in writing.
ああ、なんて美しい景色なんだ。
Ah, what a beautiful view!
ああ、もう終わってしまったのか。
Oh, it's already over.
interjection
Used as an affirmative response, often with a falling intonation. Slightly casual.
「これ、君の？」「ああ、そうだよ。」
"Is this yours?" "Yeah, that's right."
interjection
aah; gah; argh
Expresses frustration, exasperation, or giving up. Often drawn out.
ああ、もう！何度言ったらわかるんだ。
Argh, come on! How many times do I have to tell you?
interjection
Used to call someone's attention, similar to 'hey' or 'yo'. Informal.
ああ、ちょっと待ってよ。
Hey, wait a sec.
interjection
Backchanneling or half-hearted agreement during conversation. Can sound dismissive if overused.
「明日までにやっておいて。」「ああ、わかった。」
"Get it done by tomorrow." "Yeah, got it."
Literary kanji form; rarely used in modern writing.
A natural exclamation; the exact origin is uncertain. The kanji forms 嗚呼 etc. are ateji borrowed from classical Chinese.